Iris diaphragm lens cap



FIG. 1 is a front perspective view of an iris diaphragm lens cap;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a rear and right perspective view thereof; and,

FIG. 9 is a rear and left perspective view thereof. 

CLAIM The ornamental design for an iris diaphragm lens cap, as shown and described. 